Radial Nerve And Its Applied Anatomy Dr M

Radial Nerve And Its Applied Anatomy Dr M S Ansari Associate Professor Dept. of Anatomy, AIIMS Rishikesh

Learning Objectives • Origin and root value • Course and relations • Branches and structures supplied • Applied/Clinical anatomy

Origin and Relation in Axilla

Continued…. .

In Lower Triangle and Spiral Groove

Branches and Termination

Continued….

Continued. .

Superficial Branch of Radial Nerve

Branches of Deep Branch Of Radial Nerve

Superficial Branch

Cutaneous Supply

Radial Nerve Injuries(Trauma/Compression Neuropathy)

Continued… • Crutch Palsy • Saturday Night Palsy • Radial Tunnel Syndrome/Tennis Elbow • Compression by Radial Recurrent Artery ( Leash of Henry) • Arcade of Frohse • PIN Syndrome

Continued… • Tendinous edge of the deep surface of ECRB • Cheiralgia paraesthetica /Handcuff neuropathy/ Wristwatch neuropathy/ Wartenberg syndrome( Mononeuropathy ) • de Quervain's disease or de Quervain's Tenosynovitis • Fractures(Holstein – Lewis )

Crutch Palsy

Radial Tunnel Syndrome Fatigue or a dull aching pain

Compression Sites

Wartenberg Syndrome

Tests and Signs • Tinsel's Sign • Motor • Sensory • Injury above upper 1/3 of arm

Mental Exercise(MCQs)

The radial nerve gives off the following muscular branches in the arm except toa) Long head of triceps b) Lateral head of triceps c) Brachialis d) Anconeus e) Brachioradialis